.header {
    width: 100vw;
    align-items: center;
}


.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-left: 0;
    width: auto !important;
}

.header .hd_extra .elink {
    color: #fff;
}

.header .hd_extra li {
    float: left;
    margin-right: 30px;
    cursor: pointer;
}

.header .hd_extra li.l {
    width: 1px;
    height: 18px;
    background: #b68686;
    opacity: .2;
}

.header {
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    color: #000;
    display: flex;
    justify-content: space-around;
}

.header .hd_logo {
    margin-top: 0;
}

.hd_nav {
    display: flex;
    align-items: center;
}

.header .hd_nav .nav-link {
    color: #333;
}

.header .hd_nav .nav-link:hover {
    color: #3e4f65;
    cursor: pointer;
}

.nav_item {
    margin: 0 10px;
}

.header .hd_nav .nav_item.current .nav-link:after,
.header .hd_nav .nav_item:hover .nav-link-show:after {
    animation: nav_hover forwards .3s;
    background: #3e4f65;
}

.nav-link-hover:after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 2px;
    background: #3e4f65;
    animation: nav_hover forwards .3s;
}

.footer_link {
    display: flex;
    align-items: center;
    justify-content: center;
}


.ft-menu {
    margin-left: 4vw;
    width: auto !important;
}

.ft-help {
    display: flex;
    width: auto !important;
    border: none !important;
}

.bd-hot {
    margin: 20px 40px 0 0 !important;
}

.wx-code {
    position: relative;
    width: 5vw;
    height: 5vw;
    background: url('../images/qrxcx-code.jpg') no-repeat;
    background-size: cover;
}

.wx-code>span {
    width: 100%;
    bottom: -30px;
    color: #000;
    text-align: center;
    position: absolute;
}


.change {
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
    width: 24px;
    min-width: 24px;
    height: 18px;
    background: url(../images/vbg01.png) -246px -70px;
}

.english {
    background-position: -246px -112px;
}

.hd_extra>ul>li {
    display: flex;
    align-items: center;
}

@keyframes nav_hover {
    0% {
        transform: translateY(10px) scale(1.1);
        opacity: 0;
    }

    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* pc端 */
@media screen and (min-width:1200px) {
    .header .hd_extra {
        margin-top: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}


/* 平板 */
@media screen and (max-width: 1200px) {
    .hd_nav {
        display: none;
    }

    .hd_extra {
        display: none;
    }
}